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Ah I also forgot to mention that I made a striker, it's just a 1/4" bolt with two washers that fit perfect in the pipe and a nylon spacer in between them that has two holes in opposite sides to hold two smaller bolts that are used to cock it. I appreciate the suggestion though. If I have one in my garage I'll check it out.

Yeah, it was only 10 psi per shot. And it let out a nice amount of air at only 250 psi.

The first test, I shot it and looked at the push button, and it had indentations from the screw So the next shots I put paper towel in between and it was fine. I could easily make a new button if I needed to.

So I'm pretty happy it works well I need to make a proper hammer now...

I just found some old parts yesterday, and made my own. At only 100 PSI, I would be able to shoot an airsoft BB more that 500 FPS, and what's great is that it can be rearranged to be a semi automatic valve too!!

Small dents from the phillips drive. No big deal. Mouse pad would absorb too much energy, I'm just gonna put some neoprene-like sheet rubber disc on to soften the bolt head (it'll probably be stainless steel). Worst case scenario I have to make a new button, not too hard with the drill press.

If you are happy with it, cool.
But I used a very simular hammer, it didn´t work very well because it`s too light, and from the video, looks like cocking the hammer is hard, a very bad thing if you want to combine the reload mechanism with recocking hammer.

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CpTn_lAw wrote: "yay, me wanna make big multishot pnoob with 1000 psi foot pump compressor using diamond as main material. Do you think wet bread make good sealant? "

wyz2285 wrote:If you are happy with it, cool.But I used a very simular hammer, it didn´t work very well because it`s too light, and from the video, looks like cocking the hammer is hard, a very bad thing if you want to combine the reload mechanism with recocking hammer.

Don't worry. This setup was temporary to see if the valve would open with the intended hammer type. That striker is not final, neither is the loading procedure. It was only hard to cock because I was using a ghetto setup and only cocking one side. In the final design, there will be two handles, one on each side, so it will be easier to cock. I'm talking about something like an M4 charging handle (two fingers).

And yeah I was planning on incorporating the cocking into loading if possible... But we'll see.